TY  - BOOK
AU  - Gupta, S. L..
TI  - Elements of Spectroscopy :With atomic spectra; X-ray Spectra;Molecular Binding; an Molecular Spectra / 
U1  - C5:3 
PY  - 1998///7
CY  - Meerut : 
PB  - Pragati Prakashan , 
KW  - Physics
ER  -